Captain Future and the Space Emperor
New York : Popular Library, 1969. –
121 p. ; 18 cm. – (Popular Library ; 60-2457) pbk
“A creeping menace invades the galaxy – and Captain Future meets his most powerful enemy …” — Cover
MAN OR MUTANT? A LIFE-OR-DEATH QUESTION FOR CAPTAIN FUTURE …
President Carthew was in his office when the monster appeared— a giant, hunched creature, bizarrely hideous …
The President gaped as a guard appeared in the door-way and pointed his weapon at the fanged being.
“Don’t shoot”, Carthew cried, but too late. The beast lay dead on the floor.
Carthew sighed deeply as he confirmed his fears. The corpse on the floor was Sperling, his best secret agent, transformed into this hairy brute by the dread peril that threatened to destroy them all.
Only one man left alive might be able to ward off total doom. The President flashed and emergency call for Captain Future …

Calling Captain Future
New York : Popular Library, 1969. –
144 p. ; 18 cm. – (Popular Library ; 60-2421) pbk.
“Captain Future, Wizard of Science, mighty adventurer, meets his match in a war of solar doom” — Cover
Captain Future -great enemy of evil- is called on to save humanity
James Carthew, President of the Solar System, watched from the government tower, his face lined with worry. Outside thousands of people were demonstrating. Once loyal citizens, they now urged Carthew to yield his power to a diabolic stranger named Dr. Zarro – a being from another mysterious system who had hypnotized the entire population with fear.
Carthews knew that Zarro would surely destroy humanity, but how could he prove it? There was only one man who could – perhaps – help him.
“Calling Captain Future!” The message beeped urgently from the high tower, out across the heavens. “Calling Captain Future!”